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401179072 = 2672196733
BaseRepresentation
bin10111111010011…
…000000111000000
31000221220000020011
4113322120013000
51310200212242
6103450354304
712640652200
oct2772300700
91027800204
10401179072
11196500858
12b242b994
1365165188
143b3d0400
1525347d17
hex17e981c0

401179072 has 84 divisors (see below), whose sum is σ = 974948520. Its totient is φ = 162860544.

The previous prime is 401179063. The next prime is 401179081. The reversal of 401179072 is 270971104.

It is an interprime number because it is at equal distance from previous prime (401179063) and next prime (401179081).

It is a congruent number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 56218 + ... + 62950.

It is an arithmetic number, because the mean of its divisors is an integer number (11606530).

Almost surely, 2401179072 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 401179072, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (487474260).

401179072 is an abundant number, since it is smaller than the sum of its proper divisors (573769448).

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

401179072 is a wasteful number, since it uses less digits than its factorization.

401179072 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6778 (or 6761 counting only the distinct ones).

The product of its (nonzero) digits is 3528, while the sum is 31.

The square root of 401179072 is about 20029.4551099125. The cubic root of 401179072 is about 737.5295459579.

The spelling of 401179072 in words is "four hundred one million, one hundred seventy-nine thousand, seventy-two".

Divisors: 1 2 4 7 8 14 16 19 28 32 38 49 56 64 76 98 112 133 152 196 224 266 304 392 448 532 608 784 931 1064 1216 1568 1862 2128 3136 3724 4256 6733 7448 8512 13466 14896 26932 29792 47131 53864 59584 94262 107728 127927 188524 215456 255854 329917 377048 430912 511708 659834 754096 895489 1023416 1319668 1508192 1790978 2046832 2639336 3016384 3581956 4093664 5278672 6268423 7163912 8187328 10557344 12536846 14327824 21114688 25073692 28655648 50147384 57311296 100294768 200589536 401179072