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4720157 = 132831283
BaseRepresentation
bin10010000000011000011101
322212210211122
4102000120131
52202021112
6245100325
755056251
oct22003035
98783748
104720157
112734362
1216b76a5
13c935c0
148ac261
15633872
hex48061d

4720157 has 8 divisors (see below), whose sum is σ = 5105184. Its totient is φ = 4338288.

The previous prime is 4720147. The next prime is 4720159. The reversal of 4720157 is 7510274.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 4720157 - 24 = 4720141 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4720159) 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, 3038 + ... + 4320.

It is an arithmetic number, because the mean of its divisors is an integer number (638148).

Almost surely, 24720157 is an apocalyptic number.

It is an amenable number.

4720157 is a deficient number, since it is larger than the sum of its proper divisors (385027).

4720157 is a wasteful number, since it uses less digits than its factorization.

4720157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1579.

The product of its (nonzero) digits is 1960, while the sum is 26.

The square root of 4720157 is about 2172.5922304933. The cubic root of 4720157 is about 167.7459903848.

The spelling of 4720157 in words is "four million, seven hundred twenty thousand, one hundred fifty-seven".

Divisors: 1 13 283 1283 3679 16679 363089 4720157