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1420171962 = 231137718191
BaseRepresentation
bin101010010100110…
…0001101010111010
310122222022012200120
41110221201222322
510402031000322
6352531114110
750123156016
oct12451415272
93588265616
101420171962
11669717240
12337742936
131982c2251
14d6883546
1584a2ba5c
hex54a61aba

1420171962 has 64 divisors (see below), whose sum is σ = 3227516928. Its totient is φ = 412776000.

The previous prime is 1420171957. The next prime is 1420171997. The reversal of 1420171962 is 2691710241.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 169287 + ... + 177477.

It is an arithmetic number, because the mean of its divisors is an integer number (50429952).

Almost surely, 21420171962 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1420171962, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1613758464).

1420171962 is an abundant number, since it is smaller than the sum of its proper divisors (1807344966).

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

1420171962 is a wasteful number, since it uses less digits than its factorization.

1420171962 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8315.

The product of its (nonzero) digits is 6048, while the sum is 33.

The square root of 1420171962 is about 37685.1689925891. The cubic root of 1420171962 is about 1124.0362345474.

The spelling of 1420171962 in words is "one billion, four hundred twenty million, one hundred seventy-one thousand, nine hundred sixty-two".

Divisors: 1 2 3 6 11 22 33 37 66 71 74 111 142 213 222 407 426 781 814 1221 1562 2343 2442 2627 4686 5254 7881 8191 15762 16382 24573 28897 49146 57794 86691 90101 173382 180202 270303 303067 540606 581561 606134 909201 1163122 1744683 1818402 3333737 3489366 6397171 6667474 10001211 12794342 19191513 20002422 21517757 38383026 43035514 64553271 129106542 236695327 473390654 710085981 1420171962