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74101939 = 474433559
BaseRepresentation
bin1000110101010…
…11010010110011
312011102202202021
410122223102303
5122432230224
611204132311
71556566432
oct432532263
9164382667
1074101939
113891297a
1220997097
1312476902
149bad119
15678b1e4
hex46ab4b3

74101939 has 8 divisors (see below), whose sum is σ = 75870720. Its totient is φ = 72341256.

The previous prime is 74101927. The next prime is 74101949. The reversal of 74101939 is 93910147.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2k-74101939 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (74101949) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19042 + ... + 22600.

It is an arithmetic number, because the mean of its divisors is an integer number (9483840).

Almost surely, 274101939 is an apocalyptic number.

74101939 is a deficient number, since it is larger than the sum of its proper divisors (1768781).

74101939 is a wasteful number, since it uses less digits than its factorization.

74101939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4049.

The product of its (nonzero) digits is 6804, while the sum is 34.

The square root of 74101939 is about 8608.2483119390. The cubic root of 74101939 is about 420.0263381064.

The spelling of 74101939 in words is "seventy-four million, one hundred one thousand, nine hundred thirty-nine".

Divisors: 1 47 443 3559 20821 167273 1576637 74101939