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147445430 = 25114132693
BaseRepresentation
bin10001100100111…
…01011010110110
3101021110000002212
420302131122312
5300221223210
622344133422
73440160026
oct1062353266
9337400085
10147445430
1176257a30
1241467272
1324716222
1415821a86
15ce27805
hex8c9d6b6

147445430 has 32 divisors (see below), whose sum is σ = 296599968. Its totient is φ = 52307200.

The previous prime is 147445421. The next prime is 147445447. The reversal of 147445430 is 34544741.

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, 11837 + ... + 20856.

It is an arithmetic number, because the mean of its divisors is an integer number (9268749).

Almost surely, 2147445430 is an apocalyptic number.

147445430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

147445430 is an abundant number, since it is smaller than the sum of its proper divisors (149154538).

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

147445430 is a wasteful number, since it uses less digits than its factorization.

147445430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32752.

The product of its (nonzero) digits is 26880, while the sum is 32.

The square root of 147445430 is about 12142.7109823136. The cubic root of 147445430 is about 528.2957360511.

The spelling of 147445430 in words is "one hundred forty-seven million, four hundred forty-five thousand, four hundred thirty".

Divisors: 1 2 5 10 11 22 41 55 82 110 205 410 451 902 2255 4510 32693 65386 163465 326930 359623 719246 1340413 1798115 2680826 3596230 6702065 13404130 14744543 29489086 73722715 147445430