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146244972 = 22334912
BaseRepresentation
bin10001011011110…
…00010101101100
3101012012000101110
420231320111230
5244414314342
622302312020
73424030116
oct1055702554
9335160343
10146244972
1175608015
1240b88610
13243b59b3
14155cc3b6
15cc8bc9c
hex8b7856c

146244972 has 18 divisors (see below), whose sum is σ = 341336044. Its totient is φ = 48734360.

The previous prime is 146244953. The next prime is 146244983. The reversal of 146244972 is 279442641.

146244972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 146244972.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 40147 + ... + 43637.

Almost surely, 2146244972 is an apocalyptic number.

146244972 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

146244972 is an abundant number, since it is smaller than the sum of its proper divisors (195091072).

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

146244972 is an frugal number, since it uses more digits than its factorization.

146244972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6989 (or 3496 counting only the distinct ones).

The product of its digits is 96768, while the sum is 39.

The square root of 146244972 is about 12093.1787384459. The cubic root of 146244972 is about 526.8580836729.

The spelling of 146244972 in words is "one hundred forty-six million, two hundred forty-four thousand, nine hundred seventy-two".

Divisors: 1 2 3 4 6 12 3491 6982 10473 13964 20946 41892 12187081 24374162 36561243 48748324 73122486 146244972