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58157444 = 2214539361
BaseRepresentation
bin1101110111011…
…0100110000100
311001102201000102
43131312212010
5104342014234
65434303232
71304221142
oct335664604
9131381012
1058157444
112a912604
1217587b18
13c0833b7
147a1c592
15518bc7e
hex3776984

58157444 has 6 divisors (see below), whose sum is σ = 101775534. Its totient is φ = 29078720.

The previous prime is 58157443. The next prime is 58157447. The reversal of 58157444 is 44475185.

It can be written as a sum of positive squares in only one way, i.e., 39564100 + 18593344 = 6290^2 + 4312^2 .

It is a super-2 number, since 2×581574442 = 6764576585226272, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 58157398 and 58157407.

It is not an unprimeable number, because it can be changed into a prime (58157443) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7269677 + ... + 7269684.

It is an arithmetic number, because the mean of its divisors is an integer number (16962589).

Almost surely, 258157444 is an apocalyptic number.

It is an amenable number.

58157444 is a deficient number, since it is larger than the sum of its proper divisors (43618090).

58157444 is a wasteful number, since it uses less digits than its factorization.

58157444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14539365 (or 14539363 counting only the distinct ones).

The product of its digits is 89600, while the sum is 38.

The square root of 58157444 is about 7626.1028054964. The cubic root of 58157444 is about 387.4376041054.

It can be divided in two parts, 5815 and 7444, that multiplied together give a triangular number (43286860 = T9304).

The spelling of 58157444 in words is "fifty-eight million, one hundred fifty-seven thousand, four hundred forty-four".

Divisors: 1 2 4 14539361 29078722 58157444