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75042572 = 221159137211
BaseRepresentation
bin1000111100100…
…00111100001100
312020012120001112
410132100330030
5123202330242
611240231152
71600565003
oct436207414
9166176045
1075042572
11393a5660
122116b4b8
1312715ab7
149d75c3a
1568c4c82
hex4790f0c

75042572 has 48 divisors (see below), whose sum is σ = 147450240. Its totient is φ = 33129600.

The previous prime is 75042557. The next prime is 75042589. The reversal of 75042572 is 27524057.

It is a super-2 number, since 2×750425722 = 11262775224750368, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 355547 + ... + 355757.

It is an arithmetic number, because the mean of its divisors is an integer number (3071880).

Almost surely, 275042572 is an apocalyptic number.

It is an amenable number.

75042572 is a deficient number, since it is larger than the sum of its proper divisors (72407668).

75042572 is a wasteful number, since it uses less digits than its factorization.

75042572 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422 (or 420 counting only the distinct ones).

The product of its (nonzero) digits is 19600, while the sum is 32.

The square root of 75042572 is about 8662.7115847176. The cubic root of 75042572 is about 421.7961100369.

The spelling of 75042572 in words is "seventy-five million, forty-two thousand, five hundred seventy-two".

Divisors: 1 2 4 11 22 44 59 118 137 211 236 274 422 548 649 844 1298 1507 2321 2596 3014 4642 6028 8083 9284 12449 16166 24898 28907 32332 49796 57814 88913 115628 136939 177826 273878 317977 355652 547756 635954 1271908 1705513 3411026 6822052 18760643 37521286 75042572