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4742157 = 37241937
BaseRepresentation
bin10010000101110000001101
322220221000110
4102011300031
52203222112
6245350233
755210350
oct22056015
98827013
104742157
112749942
121708379
13ca0614
148b6297
1563a13c
hex485c0d

4742157 has 16 divisors (see below), whose sum is σ = 7263872. Its totient is φ = 2695680.

The previous prime is 4742147. The next prime is 4742173. The reversal of 4742157 is 7512474.

It is not a de Polignac number, because 4742157 - 24 = 4742141 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4742107) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4593 + ... + 5529.

It is an arithmetic number, because the mean of its divisors is an integer number (453992).

Almost surely, 24742157 is an apocalyptic number.

It is an amenable number.

4742157 is a deficient number, since it is larger than the sum of its proper divisors (2521715).

4742157 is a wasteful number, since it uses less digits than its factorization.

4742157 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1188.

The product of its digits is 7840, while the sum is 30.

The square root of 4742157 is about 2177.6494208205. The cubic root of 4742157 is about 168.0062001680.

The spelling of 4742157 in words is "four million, seven hundred forty-two thousand, one hundred fifty-seven".

Divisors: 1 3 7 21 241 723 937 1687 2811 5061 6559 19677 225817 677451 1580719 4742157