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74921514 = 2341304559
BaseRepresentation
bin1000111011100…
…11011000101010
312012222101222220
410131303120222
5123134442024
611233454510
71566552033
oct435633052
9165871886
1074921514
1139322708
1221111436
13126a2975
149d43a8a
15689de79
hex477362a

74921514 has 16 divisors (see below), whose sum is σ = 153498240. Its totient is φ = 24364640.

The previous prime is 74921461. The next prime is 74921537. The reversal of 74921514 is 41512947.

It is a happy number.

It is a super-2 number, since 2×749215142 = 11226466520104392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152034 + ... + 152525.

It is an arithmetic number, because the mean of its divisors is an integer number (9593640).

Almost surely, 274921514 is an apocalyptic number.

74921514 is an abundant number, since it is smaller than the sum of its proper divisors (78576726).

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

74921514 is a wasteful number, since it uses less digits than its factorization.

74921514 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 304605.

The product of its digits is 10080, while the sum is 33.

The square root of 74921514 is about 8655.7214603983. The cubic root of 74921514 is about 421.5691754040.

The spelling of 74921514 in words is "seventy-four million, nine hundred twenty-one thousand, five hundred fourteen".

Divisors: 1 2 3 6 41 82 123 246 304559 609118 913677 1827354 12486919 24973838 37460757 74921514