Search a number
-
+
401162632 = 231379157311
BaseRepresentation
bin10111111010010…
…100000110001000
31000221212011200021
4113322110012020
51310144201012
6103450150224
712640553233
oct2772240610
91027764607
10401162632
1119649a472
12b2422374
136515a850
143b3c841a
1525343007
hex17e94188

401162632 has 64 divisors (see below), whose sum is σ = 828172800. Its totient is φ = 181059840.

The previous prime is 401162627. The next prime is 401162633. The reversal of 401162632 is 236261104.

It is a junction number, because it is equal to n+sod(n) for n = 401162597 and 401162606.

It is not an unprimeable number, because it can be changed into a prime (401162633) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1289757 + ... + 1290067.

It is an arithmetic number, because the mean of its divisors is an integer number (12940200).

Almost surely, 2401162632 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 401162632, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (414086400).

401162632 is an abundant number, since it is smaller than the sum of its proper divisors (427010168).

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

401162632 is a wasteful number, since it uses less digits than its factorization.

401162632 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 566 (or 562 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 401162632 is about 20029.0447101204. The cubic root of 401162632 is about 737.5194713618.

The spelling of 401162632 in words is "four hundred one million, one hundred sixty-two thousand, six hundred thirty-two".

Divisors: 1 2 4 8 13 26 52 79 104 157 158 311 314 316 622 628 632 1027 1244 1256 2041 2054 2488 4043 4082 4108 8086 8164 8216 12403 16172 16328 24569 24806 32344 48827 49138 49612 97654 98276 99224 161239 195308 196552 319397 322478 390616 634751 638794 644956 1269502 1277588 1289912 2539004 2555176 3857333 5078008 7714666 15429332 30858664 50145329 100290658 200581316 401162632