Search a number
-
+
151986432 = 2831321171
BaseRepresentation
bin10010000111100…
…10000100000000
3101120222201012010
421003302010000
5302402031212
623025332520
73523602063
oct1103620400
9346881163
10151986432
1178879724
1242a97140
1325646100
14162848da
15d52303c
hex90f2100

151986432 has 108 divisors (see below), whose sum is σ = 438388944. Its totient is φ = 46725120.

The previous prime is 151986427. The next prime is 151986451. The reversal of 151986432 is 234689151.

151986432 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

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, 129207 + ... + 130377.

Almost surely, 2151986432 is an apocalyptic number.

151986432 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 151986432, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (219194472).

151986432 is an abundant number, since it is smaller than the sum of its proper divisors (286402512).

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

151986432 is a wasteful number, since it uses less digits than its factorization.

151986432 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1189 counting only the distinct ones).

The product of its digits is 51840, while the sum is 39.

The square root of 151986432 is about 12328.2777385976. The cubic root of 151986432 is about 533.6644499414.

It can be divided in two parts, 1519864 and 32, that added together give a triangular number (1519896 = T1743).

The spelling of 151986432 in words is "one hundred fifty-one million, nine hundred eighty-six thousand, four hundred thirty-two".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 128 156 169 192 208 256 312 338 384 416 507 624 676 768 832 1014 1171 1248 1352 1664 2028 2342 2496 2704 3328 3513 4056 4684 4992 5408 7026 8112 9368 9984 10816 14052 15223 16224 18736 21632 28104 30446 32448 37472 43264 45669 56208 60892 64896 74944 91338 112416 121784 129792 149888 182676 197899 224832 243568 299776 365352 395798 449664 487136 593697 730704 791596 899328 974272 1187394 1461408 1583192 1948544 2374788 2922816 3166384 3897088 4749576 5845632 6332768 9499152 11691264 12665536 18998304 25331072 37996608 50662144 75993216 151986432