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401125380 = 223524772699
BaseRepresentation
bin10111111010001…
…011000000000100
31000221210021120120
4113322023000010
51310142003010
6103445301540
712640336515
oct2772130004
91027707516
10401125380
11196474487
12b24048b0
13651468c6
143b3b8a0c
1525336e70
hex17e8b004

401125380 has 48 divisors (see below), whose sum is σ = 1124020800. Its totient is φ = 106883968.

The previous prime is 401125369. The next prime is 401125409. The reversal of 401125380 is 83521104.

It is a self number, because there is not a number n which added to its sum of digits gives 401125380.

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, 147271 + ... + 149969.

It is an arithmetic number, because the mean of its divisors is an integer number (23417100).

Almost surely, 2401125380 is an apocalyptic number.

It is an amenable number.

401125380 is an abundant number, since it is smaller than the sum of its proper divisors (722895420).

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

401125380 is a wasteful number, since it uses less digits than its factorization.

401125380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5188 (or 5186 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 24.

The square root of 401125380 is about 20028.1147390362. The cubic root of 401125380 is about 737.4966419458.

Adding to 401125380 its reverse (83521104), we get a palindrome (484646484).

The spelling of 401125380 in words is "four hundred one million, one hundred twenty-five thousand, three hundred eighty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 2477 2699 4954 5398 7431 8097 9908 10796 12385 13495 14862 16194 24770 26990 29724 32388 37155 40485 49540 53980 74310 80970 148620 161940 6685423 13370846 20056269 26741692 33427115 40112538 66854230 80225076 100281345 133708460 200562690 401125380