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151752740 = 2257587637
BaseRepresentation
bin10010000101110…
…01000000100100
3101120112211121212
421002321000210
5302322041430
623020330552
73521606546
oct1102710044
9346484555
10151752740
117872a097
12429a3a58
1325593929
1416223696
15d4c8b95
hex90b9024

151752740 has 12 divisors (see below), whose sum is σ = 318680796. Its totient is φ = 60701088.

The previous prime is 151752739. The next prime is 151752787. The reversal of 151752740 is 47257151.

It can be written as a sum of positive squares in 2 ways, for example, as 98287396 + 53465344 = 9914^2 + 7312^2 .

It is a super-3 number, since 3×1517527403 (a number of 26 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 151752697 and 151752706.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3793799 + ... + 3793838.

It is an arithmetic number, because the mean of its divisors is an integer number (26556733).

Almost surely, 2151752740 is an apocalyptic number.

151752740 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

151752740 is an abundant number, since it is smaller than the sum of its proper divisors (166928056).

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

151752740 is a wasteful number, since it uses less digits than its factorization.

151752740 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7587646 (or 7587644 counting only the distinct ones).

The product of its (nonzero) digits is 9800, while the sum is 32.

The square root of 151752740 is about 12318.7962074222. The cubic root of 151752740 is about 533.3907915526.

The spelling of 151752740 in words is "one hundred fifty-one million, seven hundred fifty-two thousand, seven hundred forty".

Divisors: 1 2 4 5 10 20 7587637 15175274 30350548 37938185 75876370 151752740