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38937402 = 2337239431
BaseRepresentation
bin1001010010001…
…0001100111010
32201021020002000
42110202030322
534431444102
63510321430
7651651060
oct224421472
981236060
1038937402
111aa85279
1211059276
1380b3caa
145258030
15364201c
hex252233a

38937402 has 64 divisors (see below), whose sum is σ = 99532800. Its totient is φ = 11052720.

The previous prime is 38937391. The next prime is 38937421. The reversal of 38937402 is 20473983.

It is a super-2 number, since 2×389374022 = 3032242549019208, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 90127 + ... + 90557.

It is an arithmetic number, because the mean of its divisors is an integer number (1555200).

Almost surely, 238937402 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38937402, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49766400).

38937402 is an abundant number, since it is smaller than the sum of its proper divisors (60595398).

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

38937402 is a wasteful number, since it uses less digits than its factorization.

38937402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 688 (or 682 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 36.

The square root of 38937402 is about 6239.9841345952. The cubic root of 38937402 is about 338.9396086329.

The spelling of 38937402 in words is "thirty-eight million, nine hundred thirty-seven thousand, four hundred two".

Divisors: 1 2 3 6 7 9 14 18 21 27 42 54 63 126 189 239 378 431 478 717 862 1293 1434 1673 2151 2586 3017 3346 3879 4302 5019 6034 6453 7758 9051 10038 11637 12906 15057 18102 23274 27153 30114 45171 54306 81459 90342 103009 162918 206018 309027 618054 721063 927081 1442126 1854162 2163189 2781243 4326378 5562486 6489567 12979134 19468701 38937402