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401790936 = 233113148153
BaseRepresentation
bin10111111100101…
…101011111011000
31001000001002112210
4113330231133120
51310324302221
6103511435120
712646111101
oct2774553730
91030032483
10401790936
11196889528
12b2685aa0
136531a821
143b50d3a8
1525419276
hex17f2d7d8

401790936 has 32 divisors (see below), whose sum is σ = 1013373360. Its totient is φ = 132744192.

The previous prime is 401790931. The next prime is 401790989. The reversal of 401790936 is 639097104.

It is a super-2 number, since 2×4017909362 = 322871912503512192, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401790894 and 401790903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401790931) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71365 + ... + 76788.

Almost surely, 2401790936 is an apocalyptic number.

It is an amenable number.

401790936 is an abundant number, since it is smaller than the sum of its proper divisors (611582424).

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

401790936 is a wasteful number, since it uses less digits than its factorization.

401790936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148275 (or 148271 counting only the distinct ones).

The product of its (nonzero) digits is 40824, while the sum is 39.

The square root of 401790936 is about 20044.7233954475. The cubic root of 401790936 is about 737.9043067440.

The spelling of 401790936 in words is "four hundred one million, seven hundred ninety thousand, nine hundred thirty-six".

Divisors: 1 2 3 4 6 8 12 24 113 226 339 452 678 904 1356 2712 148153 296306 444459 592612 888918 1185224 1777836 3555672 16741289 33482578 50223867 66965156 100447734 133930312 200895468 401790936