Search a number
-
+
149457984 = 2631359879
BaseRepresentation
bin10001110100010…
…00110001000000
3101102020020210220
420322020301000
5301230123414
622455223040
73463241364
oct1072106100
9342206726
10149457984
1177401aa5
1242077a80
1324c6c2a0
1415bc72a4
15d1c3ca9
hex8e88c40

149457984 has 56 divisors (see below), whose sum is σ = 425866560. Its totient is φ = 45986304.

The previous prime is 149457983. The next prime is 149458003. The reversal of 149457984 is 489754941.

It is not an unprimeable number, because it can be changed into a prime (149457983) 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, 27444 + ... + 32435.

It is an arithmetic number, because the mean of its divisors is an integer number (7604760).

Almost surely, 2149457984 is an apocalyptic number.

It is an amenable number.

149457984 is an abundant number, since it is smaller than the sum of its proper divisors (276408576).

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

149457984 is a wasteful number, since it uses less digits than its factorization.

149457984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59907 (or 59897 counting only the distinct ones).

The product of its digits is 1451520, while the sum is 51.

The square root of 149457984 is about 12225.3009778901. The cubic root of 149457984 is about 530.6885367057.

The spelling of 149457984 in words is "one hundred forty-nine million, four hundred fifty-seven thousand, nine hundred eighty-four".

Divisors: 1 2 3 4 6 8 12 13 16 24 26 32 39 48 52 64 78 96 104 156 192 208 312 416 624 832 1248 2496 59879 119758 179637 239516 359274 479032 718548 778427 958064 1437096 1556854 1916128 2335281 2874192 3113708 3832256 4670562 5748384 6227416 9341124 11496768 12454832 18682248 24909664 37364496 49819328 74728992 149457984