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100540312 = 23171275821
BaseRepresentation
bin1011111111000…
…01111110011000
321000011222101021
411333201332120
5201214242222
613550532224
72330402305
oct577417630
9230158337
10100540312
1151830474
1229807074
1317aa2712
14d4d20ac
158c5eac7
hex5fe1f98

100540312 has 32 divisors (see below), whose sum is σ = 201208320. Its totient is φ = 46932480.

The previous prime is 100540259. The next prime is 100540339. The reversal of 100540312 is 213045001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14362 + ... + 20182.

It is an arithmetic number, because the mean of its divisors is an integer number (6287760).

Almost surely, 2100540312 is an apocalyptic number.

It is an amenable number.

100540312 is an abundant number, since it is smaller than the sum of its proper divisors (100668008).

100540312 is a wasteful number, since it uses less digits than its factorization.

100540312 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5971 (or 5967 counting only the distinct ones).

The product of its (nonzero) digits is 120, while the sum is 16.

The square root of 100540312 is about 10026.9792061219. The cubic root of 100540312 is about 464.9933509667.

Adding to 100540312 its reverse (213045001), we get a palindrome (313585313).

The spelling of 100540312 in words is "one hundred million, five hundred forty thousand, three hundred twelve".

Divisors: 1 2 4 8 17 34 68 127 136 254 508 1016 2159 4318 5821 8636 11642 17272 23284 46568 98957 197914 395828 739267 791656 1478534 2957068 5914136 12567539 25135078 50270156 100540312