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145304630 = 2510921223
BaseRepresentation
bin10001010100100…
…10110000110110
3101010102020110222
420222102300312
5244144222010
622230214342
73413032442
oct1052226066
9333366428
10145304630
1175025579
12407b43b2
1324146993
1415425822
15cb53355
hex8a92c36

145304630 has 24 divisors (see below), whose sum is σ = 264185712. Its totient is φ = 57541536.

The previous prime is 145304629. The next prime is 145304681. The reversal of 145304630 is 36403541.

It is a super-2 number, since 2×1453046302 = 42226870998873800, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 145304630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 118199 + ... + 119421.

It is an arithmetic number, because the mean of its divisors is an integer number (11007738).

Almost surely, 2145304630 is an apocalyptic number.

145304630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

145304630 is a deficient number, since it is larger than the sum of its proper divisors (118881082).

145304630 is a wasteful number, since it uses less digits than its factorization.

145304630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1448 (or 1339 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 26.

The square root of 145304630 is about 12054.2370144277. The cubic root of 145304630 is about 525.7264380588.

The spelling of 145304630 in words is "one hundred forty-five million, three hundred four thousand, six hundred thirty".

Divisors: 1 2 5 10 109 218 545 1090 1223 2446 6115 11881 12230 23762 59405 118810 133307 266614 666535 1333070 14530463 29060926 72652315 145304630