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144470004 = 223710611621
BaseRepresentation
bin10001001110001…
…10111111110100
3101001211211120220
420213012333310
5243441020004
622200254340
73402655230
oct1047067764
9331754526
10144470004
11746054a8
12404713b0
1323c13b13
14152895c0
15ca3add9
hex89c6ff4

144470004 has 48 divisors (see below), whose sum is σ = 385854336. Its totient is φ = 41212800.

The previous prime is 144469999. The next prime is 144470033. The reversal of 144470004 is 400074441.

It is a congruent number.

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, 88314 + ... + 89934.

It is an arithmetic number, because the mean of its divisors is an integer number (8038632).

Almost surely, 2144470004 is an apocalyptic number.

144470004 is a gapful number since it is divisible by the number (14) formed by its first and last digit.

It is an amenable number.

144470004 is an abundant number, since it is smaller than the sum of its proper divisors (241384332).

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

144470004 is a wasteful number, since it uses less digits than its factorization.

144470004 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2696 (or 2694 counting only the distinct ones).

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 144470004 is about 12019.5675462972. The cubic root of 144470004 is about 524.7179183064.

The spelling of 144470004 in words is "one hundred forty-four million, four hundred seventy thousand, four".

Divisors: 1 2 3 4 6 7 12 14 21 28 42 84 1061 1621 2122 3183 3242 4244 4863 6366 6484 7427 9726 11347 12732 14854 19452 22281 22694 29708 34041 44562 45388 68082 89124 136164 1719881 3439762 5159643 6879524 10319286 12039167 20638572 24078334 36117501 48156668 72235002 144470004