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146031430 = 2553275531
BaseRepresentation
bin10001011010001…
…00001101000110
3101011210011110111
420231010031012
5244341001210
622253543234
73422150416
oct1055041506
9334704414
10146031430
1175481636
1240aa4b1a
132433c73c
1415574646
15cc4888a
hex8b44346

146031430 has 16 divisors (see below), whose sum is σ = 267817104. Its totient is φ = 57310240.

The previous prime is 146031419. The next prime is 146031461. The reversal of 146031430 is 34130641.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 137236 + ... + 138295.

It is an arithmetic number, because the mean of its divisors is an integer number (16738569).

Almost surely, 2146031430 is an apocalyptic number.

146031430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146031430 is a deficient number, since it is larger than the sum of its proper divisors (121785674).

146031430 is a wasteful number, since it uses less digits than its factorization.

146031430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275591.

The product of its (nonzero) digits is 864, while the sum is 22.

The square root of 146031430 is about 12084.3464862606. The cubic root of 146031430 is about 526.6015252623.

The spelling of 146031430 in words is "one hundred forty-six million, thirty-one thousand, four hundred thirty".

Divisors: 1 2 5 10 53 106 265 530 275531 551062 1377655 2755310 14603143 29206286 73015715 146031430