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97129662 = 2372378929
BaseRepresentation
bin1011100101000…
…01010010111110
320202202200211220
411302201102332
5144331122122
613345454210
72256405600
oct562412276
9222680756
1097129662
114a910a53
1228641366
131717a196
14cc85170
1587d925c
hex5ca14be

97129662 has 48 divisors (see below), whose sum is σ = 232108560. Its totient is φ = 26998272.

The previous prime is 97129661. The next prime is 97129679. The reversal of 97129662 is 26692179.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (97129661) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6414 + ... + 15342.

It is an arithmetic number, because the mean of its divisors is an integer number (4835595).

Almost surely, 297129662 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97129662, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (116054280).

97129662 is an abundant number, since it is smaller than the sum of its proper divisors (134978898).

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

97129662 is a wasteful number, since it uses less digits than its factorization.

97129662 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8985 (or 8978 counting only the distinct ones).

The product of its digits is 81648, while the sum is 42.

The square root of 97129662 is about 9855.4381942154. The cubic root of 97129662 is about 459.6747259388.

The spelling of 97129662 in words is "ninety-seven million, one hundred twenty-nine thousand, six hundred sixty-two".

Divisors: 1 2 3 6 7 14 21 37 42 49 74 98 111 147 222 259 294 518 777 1554 1813 3626 5439 8929 10878 17858 26787 53574 62503 125006 187509 330373 375018 437521 660746 875042 991119 1312563 1982238 2312611 2625126 4625222 6937833 13875666 16188277 32376554 48564831 97129662