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74225120 = 255463907
BaseRepresentation
bin1000110110010…
…01010111100000
312011200000201112
410123021113200
5123000200440
611210522452
71560621524
oct433112740
9164600645
1074225120
1138997482
1220a36428
13124ba9b8
149c01d84
1567b2965
hex46c95e0

74225120 has 24 divisors (see below), whose sum is σ = 175357224. Its totient is φ = 29689984.

The previous prime is 74225119. The next prime is 74225167. The reversal of 74225120 is 2152247.

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 3 ways as a sum of consecutive naturals, for example, 231794 + ... + 232113.

It is an arithmetic number, because the mean of its divisors is an integer number (7306551).

Almost surely, 274225120 is an apocalyptic number.

It is an amenable number.

74225120 is an abundant number, since it is smaller than the sum of its proper divisors (101132104).

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

74225120 is a wasteful number, since it uses less digits than its factorization.

74225120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 463922 (or 463914 counting only the distinct ones).

The product of its (nonzero) digits is 1120, while the sum is 23.

The square root of 74225120 is about 8615.4001648211. The cubic root of 74225120 is about 420.2589484018.

Adding to 74225120 its reverse (2152247), we get a palindrome (76377367).

The spelling of 74225120 in words is "seventy-four million, two hundred twenty-five thousand, one hundred twenty".

Divisors: 1 2 4 5 8 10 16 20 32 40 80 160 463907 927814 1855628 2319535 3711256 4639070 7422512 9278140 14845024 18556280 37112560 74225120