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137803946 = 279843139
BaseRepresentation
bin10000011011010…
…11100010101010
3100121022011110212
420031223202222
5240234211241
621401341122
73262212530
oct1015534252
9317264425
10137803946
1170872165
123a1977a2
132271b8c7
1414432150
15c170beb
hex836b8aa

137803946 has 8 divisors (see below), whose sum is σ = 236235360. Its totient is φ = 59058828.

The previous prime is 137803933. The next prime is 137803957. The reversal of 137803946 is 649308731.

It is a sphenic number, since it is the product of 3 distinct primes.

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 3 ways as a sum of consecutive naturals, for example, 4921556 + ... + 4921583.

It is an arithmetic number, because the mean of its divisors is an integer number (29529420).

Almost surely, 2137803946 is an apocalyptic number.

137803946 is a deficient number, since it is larger than the sum of its proper divisors (98431414).

137803946 is an equidigital number, since it uses as much as digits as its factorization.

137803946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9843148.

The product of its (nonzero) digits is 108864, while the sum is 41.

The square root of 137803946 is about 11738.9925462111. The cubic root of 137803946 is about 516.5200898577.

The spelling of 137803946 in words is "one hundred thirty-seven million, eight hundred three thousand, nine hundred forty-six".

Divisors: 1 2 7 14 9843139 19686278 68901973 137803946