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1401422232 = 233714515749
BaseRepresentation
bin101001110001000…
…0000000110011000
310121200000121220010
41103202000012120
510332231002412
6351021201520
746504615050
oct12342000630
93550017803
101401422232
1165a0802a1
123314002a0
13194458c32
14d41a2560
158307633c
hex53880198

1401422232 has 64 divisors (see below), whose sum is σ = 4007520000. Its totient is φ = 400060800.

The previous prime is 1401422219. The next prime is 1401422233. The reversal of 1401422232 is 2322241041.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 1401422199 and 1401422208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1401422233) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 240894 + ... + 246642.

It is an arithmetic number, because the mean of its divisors is an integer number (62617500).

Almost surely, 21401422232 is an apocalyptic number.

1401422232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

1401422232 is an abundant number, since it is smaller than the sum of its proper divisors (2606097768).

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

1401422232 is a wasteful number, since it uses less digits than its factorization.

1401422232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7216 (or 7212 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

The square root of 1401422232 is about 37435.5744179250. The cubic root of 1401422232 is about 1119.0676317834.

Adding to 1401422232 its reverse (2322241041), we get a palindrome (3723663273).

The spelling of 1401422232 in words is "one billion, four hundred one million, four hundred twenty-two thousand, two hundred thirty-two".

Divisors: 1 2 3 4 6 7 8 12 14 21 24 28 42 56 84 168 1451 2902 4353 5749 5804 8706 10157 11498 11608 17247 17412 20314 22996 30471 34494 34824 40243 40628 45992 60942 68988 80486 81256 120729 121884 137976 160972 241458 243768 321944 482916 965832 8341799 16683598 25025397 33367196 50050794 58392593 66734392 100101588 116785186 175177779 200203176 233570372 350355558 467140744 700711116 1401422232