Search a number
-
+
153945132 = 2231117312213
BaseRepresentation
bin10010010110100…
…00010000101100
3101201200020000120
421023100100230
5303402221012
623135324540
73546340425
oct1113202054
9351606016
10153945132
1179997290
1243680750
1325b807c3
141663464c
15d7ad58c
hex92d042c

153945132 has 96 divisors (see below), whose sum is σ = 428488704. Its totient is φ = 42470400.

The previous prime is 153945097. The next prime is 153945157. The reversal of 153945132 is 231549351.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 153945093 and 153945102.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 68458 + ... + 70670.

It is an arithmetic number, because the mean of its divisors is an integer number (4463424).

Almost surely, 2153945132 is an apocalyptic number.

153945132 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 153945132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (214244352).

153945132 is an abundant number, since it is smaller than the sum of its proper divisors (274543572).

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

153945132 is a wasteful number, since it uses less digits than its factorization.

153945132 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2279 (or 2277 counting only the distinct ones).

The product of its digits is 16200, while the sum is 33.

The square root of 153945132 is about 12407.4627543265. The cubic root of 153945132 is about 535.9471758665.

The spelling of 153945132 in words is "one hundred fifty-three million, nine hundred forty-five thousand, one hundred thirty-two".

Divisors: 1 2 3 4 6 11 12 17 22 31 33 34 44 51 62 66 68 93 102 124 132 186 187 204 341 372 374 527 561 682 748 1023 1054 1122 1364 1581 2046 2108 2213 2244 3162 4092 4426 5797 6324 6639 8852 11594 13278 17391 23188 24343 26556 34782 37621 48686 68603 69564 73029 75242 97372 112863 137206 146058 150484 205809 225726 274412 292116 411618 413831 451452 754633 823236 827662 1166251 1241493 1509266 1655324 2263899 2332502 2482986 3018532 3498753 4527798 4665004 4965972 6997506 9055596 12828761 13995012 25657522 38486283 51315044 76972566 153945132