Search a number
-
+
57342152 = 2372197699
BaseRepresentation
bin1101101010111…
…1100011001000
310222220021122102
43122233203020
5104134422102
65405012532
71264254200
oct332574310
9128807572
1057342152
112a40600a
1217254148
13bb5928a
147889400
15507a402
hex36af8c8

57342152 has 48 divisors (see below), whose sum is σ = 131670000. Its totient is φ = 23278752.

The previous prime is 57342143. The next prime is 57342161. The reversal of 57342152 is 25124375.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (57342143) and next prime (57342161).

It is a super-2 number, since 2×573421522 = 6576244791982208, which contains 22 as substring.

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, 3599 + ... + 11297.

It is an arithmetic number, because the mean of its divisors is an integer number (2743125).

Almost surely, 257342152 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 57342152, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65835000).

57342152 is an abundant number, since it is smaller than the sum of its proper divisors (74327848).

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

57342152 is a wasteful number, since it uses less digits than its factorization.

57342152 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7738 (or 7727 counting only the distinct ones).

The product of its digits is 8400, while the sum is 29.

The square root of 57342152 is about 7572.4601022389. The cubic root of 57342152 is about 385.6186197915.

The spelling of 57342152 in words is "fifty-seven million, three hundred forty-two thousand, one hundred fifty-two".

Divisors: 1 2 4 7 8 14 19 28 38 49 56 76 98 133 152 196 266 392 532 931 1064 1862 3724 7448 7699 15398 30796 53893 61592 107786 146281 215572 292562 377251 431144 585124 754502 1023967 1170248 1509004 2047934 3018008 4095868 7167769 8191736 14335538 28671076 57342152