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74042955 = 3257235057
BaseRepresentation
bin1000110100111…
…00111001001011
312011022202211200
410122130321023
5122423333310
611202555243
71556232450
oct432347113
9164282750
1074042955
1138882628
1220968b23
1312455acc
149b95827
1567789c0
hex469ce4b

74042955 has 24 divisors (see below), whose sum is σ = 146676192. Its totient is φ = 33848064.

The previous prime is 74042953. The next prime is 74042963. The reversal of 74042955 is 55924047.

It is not a de Polignac number, because 74042955 - 21 = 74042953 is a prime.

It is a plaindrome in base 13.

It is not an unprimeable number, because it can be changed into a prime (74042953) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 117214 + ... + 117843.

It is an arithmetic number, because the mean of its divisors is an integer number (6111508).

Almost surely, 274042955 is an apocalyptic number.

74042955 is a deficient number, since it is larger than the sum of its proper divisors (72633237).

74042955 is a wasteful number, since it uses less digits than its factorization.

74042955 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 235075 (or 235072 counting only the distinct ones).

The product of its (nonzero) digits is 50400, while the sum is 36.

The square root of 74042955 is about 8604.8216134909. The cubic root of 74042955 is about 419.9148636960.

The spelling of 74042955 in words is "seventy-four million, forty-two thousand, nine hundred fifty-five".

Divisors: 1 3 5 7 9 15 21 35 45 63 105 315 235057 705171 1175285 1645399 2115513 3525855 4936197 8226995 10577565 14808591 24680985 74042955