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1401696 = 253231157
BaseRepresentation
bin101010110001101100000
32122012202200
411112031200
5324323241
650013200
714625402
oct5261540
92565680
101401696
1187812a
12577200
133a100a
14286b72
151ca4b6
hex156360

1401696 has 72 divisors (see below), whose sum is σ = 4140864. Its totient is φ = 449280.

The previous prime is 1401683. The next prime is 1401703. The reversal of 1401696 is 6961041.

It is a tau number, because it is divible by the number of its divisors (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8850 + ... + 9006.

It is an arithmetic number, because the mean of its divisors is an integer number (57512).

21401696 is an apocalyptic number.

1401696 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1401696, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2070432).

1401696 is an abundant number, since it is smaller than the sum of its proper divisors (2739168).

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

1401696 is a wasteful number, since it uses less digits than its factorization.

1401696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 204 (or 193 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 1401696 is about 1183.9324305044. The cubic root of 1401696 is about 111.9140497037.

The spelling of 1401696 in words is "one million, four hundred one thousand, six hundred ninety-six".

Divisors: 1 2 3 4 6 8 9 12 16 18 24 31 32 36 48 62 72 93 96 124 144 157 186 248 279 288 314 372 471 496 558 628 744 942 992 1116 1256 1413 1488 1884 2232 2512 2826 2976 3768 4464 4867 5024 5652 7536 8928 9734 11304 14601 15072 19468 22608 29202 38936 43803 45216 58404 77872 87606 116808 155744 175212 233616 350424 467232 700848 1401696