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37842990 = 2354726839
BaseRepresentation
bin1001000001011…
…1000000101110
32122012121211020
42100113000232
534141433430
63431035010
7636442263
oct220270056
978177736
1037842990
111a3a7aa9
121080ba66
137abcb03
14505126a
1534c7b10
hex241702e

37842990 has 32 divisors (see below), whose sum is σ = 92759040. Its totient is φ = 9876384.

The previous prime is 37842979. The next prime is 37842991. The reversal of 37842990 is 9924873.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (37842991) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12010 + ... + 14829.

It is an arithmetic number, because the mean of its divisors is an integer number (2898720).

Almost surely, 237842990 is an apocalyptic number.

37842990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

37842990 is an abundant number, since it is smaller than the sum of its proper divisors (54916050).

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

37842990 is a wasteful number, since it uses less digits than its factorization.

37842990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 26896.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 37842990 is about 6151.6656281043. The cubic root of 37842990 is about 335.7338630934.

The spelling of 37842990 in words is "thirty-seven million, eight hundred forty-two thousand, nine hundred ninety".

Divisors: 1 2 3 5 6 10 15 30 47 94 141 235 282 470 705 1410 26839 53678 80517 134195 161034 268390 402585 805170 1261433 2522866 3784299 6307165 7568598 12614330 18921495 37842990