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146905430 = 2572299807
BaseRepresentation
bin10001100000110…
…01100101010110
3101020102120100212
420300121211112
5300101433210
622324405422
73432450500
oct1060314526
9336376325
10146905430
1175a19251
1241246872
13245874b9
1415720d70
15cd6c805
hex8c19956

146905430 has 24 divisors (see below), whose sum is σ = 307603008. Its totient is φ = 50367408.

The previous prime is 146905427. The next prime is 146905471. The reversal of 146905430 is 34509641.

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, 149414 + ... + 150393.

It is an arithmetic number, because the mean of its divisors is an integer number (12816792).

Almost surely, 2146905430 is an apocalyptic number.

146905430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

146905430 is an abundant number, since it is smaller than the sum of its proper divisors (160697578).

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

146905430 is a wasteful number, since it uses less digits than its factorization.

146905430 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 299828 (or 299821 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 146905430 is about 12120.4550244617. The cubic root of 146905430 is about 527.6500086237.

The spelling of 146905430 in words is "one hundred forty-six million, nine hundred five thousand, four hundred thirty".

Divisors: 1 2 5 7 10 14 35 49 70 98 245 490 299807 599614 1499035 2098649 2998070 4197298 10493245 14690543 20986490 29381086 73452715 146905430