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65380374 = 2323632243
BaseRepresentation
bin1111100101101…
…0000000010110
311120000200000100
43321122000112
5113214132444
610253154530
71422503223
oct371320026
9146020010
1065380374
11339a6274
1219a8ba46
1310711c17
14897c94a
155b16e69
hex3e5a016

65380374 has 12 divisors (see below), whose sum is σ = 141657516. Its totient is φ = 21793452.

The previous prime is 65380361. The next prime is 65380411. The reversal of 65380374 is 47308356.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 1816104 + ... + 1816139.

It is an arithmetic number, because the mean of its divisors is an integer number (11804793).

Almost surely, 265380374 is an apocalyptic number.

65380374 is an abundant number, since it is smaller than the sum of its proper divisors (76277142).

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

65380374 is a wasteful number, since it uses less digits than its factorization.

65380374 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3632251 (or 3632248 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 36.

The square root of 65380374 is about 8085.8131316523. The cubic root of 65380374 is about 402.8553481349.

The spelling of 65380374 in words is "sixty-five million, three hundred eighty thousand, three hundred seventy-four".

Divisors: 1 2 3 6 9 18 3632243 7264486 10896729 21793458 32690187 65380374