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401242470 = 23542131769
BaseRepresentation
bin10111111010100…
…111100101100110
31000222000020012020
4113322213211212
51310204224340
6103452004010
712641335056
oct2772474546
91028006166
10401242470
11196544452
12b2460606
1365187ca5
143b409566
152535b9d0
hex17ea7966

401242470 has 32 divisors (see below), whose sum is σ = 965299680. Its totient is φ = 106740480.

The previous prime is 401242469. The next prime is 401242487. The reversal of 401242470 is 74242104.

It is a self number, because there is not a number n which added to its sum of digits gives 401242470.

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, 3255 + ... + 28514.

It is an arithmetic number, because the mean of its divisors is an integer number (30165615).

Almost surely, 2401242470 is an apocalyptic number.

401242470 is an abundant number, since it is smaller than the sum of its proper divisors (564057210).

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

401242470 is a wasteful number, since it uses less digits than its factorization.

401242470 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32200.

The product of its (nonzero) digits is 1792, while the sum is 24.

The square root of 401242470 is about 20031.0376665813. The cubic root of 401242470 is about 737.5683943082.

Adding to 401242470 its reverse (74242104), we get a palindrome (475484574).

The spelling of 401242470 in words is "four hundred one million, two hundred forty-two thousand, four hundred seventy".

Divisors: 1 2 3 5 6 10 15 30 421 842 1263 2105 2526 4210 6315 12630 31769 63538 95307 158845 190614 317690 476535 953070 13374749 26749498 40124247 66873745 80248494 133747490 200621235 401242470