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75057060 = 223513412347
BaseRepresentation
bin1000111100101…
…00011110100100
312020020021221010
410132110132210
5123203311220
611240422220
71600655151
oct436243644
9166207833
1075057060
1139405531
1221177970
131271c580
149d7b228
1568c91e0
hex47947a4

75057060 has 96 divisors (see below), whose sum is σ = 231944832. Its totient is φ = 18017280.

The previous prime is 75057043. The next prime is 75057077. The reversal of 75057060 is 6075057.

It is an interprime number because it is at equal distance from previous prime (75057043) and next prime (75057077).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30807 + ... + 33153.

It is an arithmetic number, because the mean of its divisors is an integer number (2416092).

Almost surely, 275057060 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75057060, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (115972416).

75057060 is an abundant number, since it is smaller than the sum of its proper divisors (156887772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

75057060 is a wasteful number, since it uses less digits than its factorization.

75057060 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2413 (or 2411 counting only the distinct ones).

The product of its (nonzero) digits is 7350, while the sum is 30.

The square root of 75057060 is about 8663.5477721312. The cubic root of 75057060 is about 421.8232528025.

The spelling of 75057060 in words is "seventy-five million, fifty-seven thousand, sixty".

Divisors: 1 2 3 4 5 6 10 12 13 15 20 26 30 39 41 52 60 65 78 82 123 130 156 164 195 205 246 260 390 410 492 533 615 780 820 1066 1230 1599 2132 2347 2460 2665 3198 4694 5330 6396 7041 7995 9388 10660 11735 14082 15990 23470 28164 30511 31980 35205 46940 61022 70410 91533 96227 122044 140820 152555 183066 192454 288681 305110 366132 384908 457665 481135 577362 610220 915330 962270 1154724 1250951 1443405 1830660 1924540 2501902 2886810 3752853 5003804 5773620 6254755 7505706 12509510 15011412 18764265 25019020 37528530 75057060