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146830772 = 22113337063
BaseRepresentation
bin10001100000001…
…11010110110100
3101020021202221202
420300013112310
5300042041042
622323032032
73432020024
oct1060072664
9336252852
10146830772
1175978150
124120b618
132455c51a
1415701a84
15cd55632
hex8c075b4

146830772 has 12 divisors (see below), whose sum is σ = 280313376. Its totient is φ = 66741240.

The previous prime is 146830771. The next prime is 146830777. The reversal of 146830772 is 277038641.

It is a super-3 number, since 3×1468307723 (a number of 25 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146830771) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1668488 + ... + 1668575.

It is an arithmetic number, because the mean of its divisors is an integer number (23359448).

Almost surely, 2146830772 is an apocalyptic number.

It is an amenable number.

146830772 is a deficient number, since it is larger than the sum of its proper divisors (133482604).

146830772 is a wasteful number, since it uses less digits than its factorization.

146830772 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3337078 (or 3337076 counting only the distinct ones).

The product of its (nonzero) digits is 56448, while the sum is 38.

The square root of 146830772 is about 12117.3747981978. The cubic root of 146830772 is about 527.5606087753.

The spelling of 146830772 in words is "one hundred forty-six million, eight hundred thirty thousand, seven hundred seventy-two".

Divisors: 1 2 4 11 22 44 3337063 6674126 13348252 36707693 73415386 146830772