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38996790 = 2357185699
BaseRepresentation
bin1001010011000…
…0101100110110
32201101020112120
42110300230312
534440344130
63511500410
7652316160
oct224605466
981336476
1038996790
1120015958
1211087706
138105031
145271930
153654910
hex2530b36

38996790 has 32 divisors (see below), whose sum is σ = 106963200. Its totient is φ = 8913504.

The previous prime is 38996773. The next prime is 38996801. The reversal of 38996790 is 9769983.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 92640 + ... + 93059.

It is an arithmetic number, because the mean of its divisors is an integer number (3342600).

Almost surely, 238996790 is an apocalyptic number.

38996790 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38996790 is an abundant number, since it is smaller than the sum of its proper divisors (67966410).

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

38996790 is a wasteful number, since it uses less digits than its factorization.

38996790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 185716.

The product of its (nonzero) digits is 734832, while the sum is 51.

The square root of 38996790 is about 6244.7409874229. The cubic root of 38996790 is about 339.1118399532. Note that the first 3 decimals are identical.

It can be divided in two parts, 389 and 96790, that added together give a palindrome (97179).

The spelling of 38996790 in words is "thirty-eight million, nine hundred ninety-six thousand, seven hundred ninety".

Divisors: 1 2 3 5 6 7 10 14 15 21 30 35 42 70 105 210 185699 371398 557097 928495 1114194 1299893 1856990 2599786 2785485 3899679 5570970 6499465 7799358 12998930 19498395 38996790