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401245446 = 23767142589
BaseRepresentation
bin10111111010101…
…000010100000110
31000222000101021110
4113322220110012
51310204323241
6103452025450
712641346540
oct2772502406
91028011243
10401245446
11196546708
12b2462286
1365189454
143b40a690
152535c816
hex17ea8506

401245446 has 32 divisors (see below), whose sum is σ = 930827520. Its totient is φ = 112929696.

The previous prime is 401245433. The next prime is 401245483. The reversal of 401245446 is 644542104.

It is a happy number.

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, 68481 + ... + 74108.

It is an arithmetic number, because the mean of its divisors is an integer number (29088360).

Almost surely, 2401245446 is an apocalyptic number.

401245446 is an abundant number, since it is smaller than the sum of its proper divisors (529582074).

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

401245446 is a wasteful number, since it uses less digits than its factorization.

401245446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 142668.

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 401245446 is about 20031.1119511624. Note that the first 3 decimals coincide. The cubic root of 401245446 is about 737.5702178092.

The spelling of 401245446 in words is "four hundred one million, two hundred forty-five thousand, four hundred forty-six".

Divisors: 1 2 3 6 7 14 21 42 67 134 201 402 469 938 1407 2814 142589 285178 427767 855534 998123 1996246 2994369 5988738 9553463 19106926 28660389 57320778 66874241 133748482 200622723 401245446