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38037090 = 23571313933
BaseRepresentation
bin1001000100011…
…0011001100010
32122120111002010
42101012121202
534214141330
63435133350
7641211210
oct221063142
978514063
1038037090
111a51a913
12108a4256
137b5a270
1450a1cb0
1535153b0
hex2446662

38037090 has 64 divisors (see below), whose sum is σ = 112363776. Its totient is φ = 8024832.

The previous prime is 38037079. The next prime is 38037113. The reversal of 38037090 is 9073083.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 4237 + ... + 9696.

It is an arithmetic number, because the mean of its divisors is an integer number (1755684).

Almost surely, 238037090 is an apocalyptic number.

38037090 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

38037090 is an abundant number, since it is smaller than the sum of its proper divisors (74326686).

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

38037090 is a wasteful number, since it uses less digits than its factorization.

38037090 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 13963.

The product of its (nonzero) digits is 4536, while the sum is 30.

The square root of 38037090 is about 6167.4216654936. The cubic root of 38037090 is about 336.3068872764.

The spelling of 38037090 in words is "thirty-eight million, thirty-seven thousand, ninety".

Divisors: 1 2 3 5 6 7 10 13 14 15 21 26 30 35 39 42 65 70 78 91 105 130 182 195 210 273 390 455 546 910 1365 2730 13933 27866 41799 69665 83598 97531 139330 181129 195062 208995 292593 362258 417990 487655 543387 585186 905645 975310 1086774 1267903 1462965 1811290 2535806 2716935 2925930 3803709 5433870 6339515 7607418 12679030 19018545 38037090