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401051124 = 223211140309
BaseRepresentation
bin10111111001111…
…000110111110100
31000221122111201100
4113321320313310
51310132113444
6103443530100
712636610155
oct2771706764
91027574640
10401051124
11196423711
12b2389930
136511bb76
143b39992c
152531ee69
hex17e78df4

401051124 has 18 divisors (see below), whose sum is σ = 1013768210. Its totient is φ = 133683696.

The previous prime is 401051117. The next prime is 401051137. The reversal of 401051124 is 421150104.

It can be written as a sum of positive squares in only one way, i.e., 234641124 + 166410000 = 15318^2 + 12900^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 401051097 and 401051106.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 5570119 + ... + 5570190.

Almost surely, 2401051124 is an apocalyptic number.

It is an amenable number.

401051124 is an abundant number, since it is smaller than the sum of its proper divisors (612717086).

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

401051124 is a wasteful number, since it uses less digits than its factorization.

401051124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11140319 (or 11140314 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 401051124 is about 20026.2608591819. The cubic root of 401051124 is about 737.4511308804.

The spelling of 401051124 in words is "four hundred one million, fifty-one thousand, one hundred twenty-four".

Divisors: 1 2 3 4 6 9 12 18 36 11140309 22280618 33420927 44561236 66841854 100262781 133683708 200525562 401051124