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39490088 = 2311538467
BaseRepresentation
bin1001011010100…
…1001000101000
32202022022012212
42112221020220
540102140323
63530224252
7656442311
oct226511050
982268185
1039490088
1120322540
1211285088
138248721
14535d608
153700b78
hex25a9228

39490088 has 32 divisors (see below), whose sum is σ = 82308960. Its totient is φ = 17609280.

The previous prime is 39490069. The next prime is 39490109. The reversal of 39490088 is 88009493.

It is a Smith number, since the sum of its digits (41) coincides with the sum of the digits of its prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 431 + ... + 8897.

It is an arithmetic number, because the mean of its divisors is an integer number (2572155).

Almost surely, 239490088 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 39490088, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41154480).

39490088 is an abundant number, since it is smaller than the sum of its proper divisors (42818872).

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

39490088 is a wasteful number, since it uses less digits than its factorization.

39490088 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8537 (or 8533 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 41.

The square root of 39490088 is about 6284.1139391325. The cubic root of 39490088 is about 340.5357413123.

The spelling of 39490088 in words is "thirty-nine million, four hundred ninety thousand, eighty-eight".

Divisors: 1 2 4 8 11 22 44 53 88 106 212 424 583 1166 2332 4664 8467 16934 33868 67736 93137 186274 372548 448751 745096 897502 1795004 3590008 4936261 9872522 19745044 39490088