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75470004 = 223217127971
BaseRepresentation
bin1000111111110…
…01010010110100
312021000021101100
410133321102310
5123310020004
611253330100
71604325111
oct437712264
9167007340
1075470004
1139667805
1221336930
131283550c
14a047908
15695b739
hex47f94b4

75470004 has 72 divisors (see below), whose sum is σ = 203793408. Its totient is φ = 23466240.

The previous prime is 75469997. The next prime is 75470011. The reversal of 75470004 is 40007457.

It is an interprime number because it is at equal distance from previous prime (75469997) and next prime (75470011).

It is a self number, because there is not a number n which added to its sum of digits gives 75470004.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 77239 + ... + 78209.

It is an arithmetic number, because the mean of its divisors is an integer number (2830464).

Almost surely, 275470004 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 75470004, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (101896704).

75470004 is an abundant number, since it is smaller than the sum of its proper divisors (128323404).

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

75470004 is a wasteful number, since it uses less digits than its factorization.

75470004 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1125 (or 1120 counting only the distinct ones).

The product of its (nonzero) digits is 3920, while the sum is 27.

The square root of 75470004 is about 8687.3473511769. The cubic root of 75470004 is about 422.5954249172.

The spelling of 75470004 in words is "seventy-five million, four hundred seventy thousand, four".

Divisors: 1 2 3 4 6 9 12 17 18 34 36 51 68 102 127 153 204 254 306 381 508 612 762 971 1143 1524 1942 2159 2286 2913 3884 4318 4572 5826 6477 8636 8739 11652 12954 16507 17478 19431 25908 33014 34956 38862 49521 66028 77724 99042 123317 148563 198084 246634 297126 369951 493268 594252 739902 1109853 1479804 2096389 2219706 4192778 4439412 6289167 8385556 12578334 18867501 25156668 37735002 75470004