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146140472 = 23229241331
BaseRepresentation
bin10001011010111…
…10110100111000
3101011222201001002
420231132310320
5244402443342
622300144132
73423113342
oct1055366470
9334881032
10146140472
1175546555
1240b38048
132437a26a
14155a2292
15cc6ad32
hex8b5ed38

146140472 has 32 divisors (see below), whose sum is σ = 277186800. Its totient is φ = 72230400.

The previous prime is 146140471. The next prime is 146140481. The reversal of 146140472 is 274041641.

It is a happy number.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (146140471) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 441347 + ... + 441677.

Almost surely, 2146140472 is an apocalyptic number.

It is an amenable number.

146140472 is a deficient number, since it is larger than the sum of its proper divisors (131046328).

146140472 is a wasteful number, since it uses less digits than its factorization.

146140472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 807 (or 803 counting only the distinct ones).

The product of its (nonzero) digits is 5376, while the sum is 29.

The square root of 146140472 is about 12088.8573488151. The cubic root of 146140472 is about 526.7325641698.

The spelling of 146140472 in words is "one hundred forty-six million, one hundred forty thousand, four hundred seventy-two".

Divisors: 1 2 4 8 229 241 331 458 482 662 916 964 1324 1832 1928 2648 55189 75799 79771 110378 151598 159542 220756 303196 319084 441512 606392 638168 18267559 36535118 73070236 146140472