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23134742 = 2193141479
BaseRepresentation
bin101100001000…
…0001000010110
31121112100220022
41120100020112
521410302432
62143505142
7400433141
oct130201026
947470808
1023134742
1112071524
1278b81b2
134a401c7
143103058
15206eb12
hex1610216

23134742 has 32 divisors (see below), whose sum is σ = 38707200. Its totient is φ = 10324800.

The previous prime is 23134729. The next prime is 23134747. The reversal of 23134742 is 24743132.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (23134747) 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, 48059 + ... + 48537.

It is an arithmetic number, because the mean of its divisors is an integer number (1209600).

Almost surely, 223134742 is an apocalyptic number.

23134742 is a deficient number, since it is larger than the sum of its proper divisors (15572458).

23134742 is a wasteful number, since it uses less digits than its factorization.

23134742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572.

The product of its digits is 4032, while the sum is 26.

The square root of 23134742 is about 4809.8588336873. The cubic root of 23134742 is about 284.9409624301.

Adding to 23134742 its reverse (24743132), we get a palindrome (47877874).

The spelling of 23134742 in words is "twenty-three million, one hundred thirty-four thousand, seven hundred forty-two".

Divisors: 1 2 19 31 38 41 62 82 479 589 779 958 1178 1271 1558 2542 9101 14849 18202 19639 24149 29698 39278 48298 282131 373141 564262 608809 746282 1217618 11567371 23134742