Search a number
-
+
158868408 = 23328123557
BaseRepresentation
bin10010111100000…
…10001110111000
3102001221100111010
421132002032320
5311132242113
623433033520
73636234126
oct1136021670
9361840433
10158868408
118174a206
12452558a0
1326bb569a
1417156916
15de321c3
hex97823b8

158868408 has 32 divisors (see below), whose sum is σ = 398601360. Its totient is φ = 52765440.

The previous prime is 158868403. The next prime is 158868421. The reversal of 158868408 is 804868851.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (158868403) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5035 + ... + 18522.

Almost surely, 2158868408 is an apocalyptic number.

It is an amenable number.

158868408 is an abundant number, since it is smaller than the sum of its proper divisors (239732952).

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

158868408 is a wasteful number, since it uses less digits than its factorization.

158868408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23847 (or 23843 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 48.

The square root of 158868408 is about 12604.3011706322. The cubic root of 158868408 is about 541.6006553509.

It can be divided in two parts, 1588 and 68408, that added together give a palindrome (69996).

The spelling of 158868408 in words is "one hundred fifty-eight million, eight hundred sixty-eight thousand, four hundred eight".

Divisors: 1 2 3 4 6 8 12 24 281 562 843 1124 1686 2248 3372 6744 23557 47114 70671 94228 141342 188456 282684 565368 6619517 13239034 19858551 26478068 39717102 52956136 79434204 158868408