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190313451 = 32199106261
BaseRepresentation
bin10110101011111…
…11001111101011
3111021002220222100
423111333033223
5342210012301
630515024443
74500431466
oct1325771753
9437086870
10190313451
1198477349
125389b123
1330575313
141b3c02dd
1511a94286
hexb57f3eb

190313451 has 12 divisors (see below), whose sum is σ = 276281200. Its totient is φ = 126236880.

The previous prime is 190313447. The next prime is 190313479. The reversal of 190313451 is 154313091.

It is not a de Polignac number, because 190313451 - 22 = 190313447 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (190313411) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 51340 + ... + 54921.

Almost surely, 2190313451 is an apocalyptic number.

190313451 is a deficient number, since it is larger than the sum of its proper divisors (85967749).

190313451 is a wasteful number, since it uses less digits than its factorization.

190313451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106466 (or 106463 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 27.

The square root of 190313451 is about 13795.4141293402. The cubic root of 190313451 is about 575.2056741229.

The spelling of 190313451 in words is "one hundred ninety million, three hundred thirteen thousand, four hundred fifty-one".

Divisors: 1 3 9 199 597 1791 106261 318783 956349 21145939 63437817 190313451