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190715044 = 221317443487
BaseRepresentation
bin10110101111000…
…01010010100100
3111021212022212011
423113201102210
5342310340134
630531404004
74504023352
oct1327412244
9437768764
10190715044
1198721043
1253a53604
1330686050
141b4867d2
1511b23264
hexb5e14a4

190715044 has 48 divisors (see below), whose sum is σ = 382209408. Its totient is φ = 82487808.

The previous prime is 190715039. The next prime is 190715047. The reversal of 190715044 is 440517091.

It is a junction number, because it is equal to n+sod(n) for n = 190714997 and 190715015.

It is not an unprimeable number, because it can be changed into a prime (190715047) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 391369 + ... + 391855.

It is an arithmetic number, because the mean of its divisors is an integer number (7962696).

Almost surely, 2190715044 is an apocalyptic number.

It is an amenable number.

190715044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

190715044 is a wasteful number, since it uses less digits than its factorization.

190715044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 964 (or 962 counting only the distinct ones).

The product of its (nonzero) digits is 5040, while the sum is 31.

The square root of 190715044 is about 13809.9617667827. The cubic root of 190715044 is about 575.6099830485.

The spelling of 190715044 in words is "one hundred ninety million, seven hundred fifteen thousand, forty-four".

Divisors: 1 2 4 13 17 26 34 52 68 221 442 443 487 884 886 974 1772 1948 5759 6331 7531 8279 11518 12662 15062 16558 23036 25324 30124 33116 97903 107627 195806 215254 215741 391612 430508 431482 862964 2804633 3667597 5609266 7335194 11218532 14670388 47678761 95357522 190715044