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490136826 = 231710744909
BaseRepresentation
bin11101001101101…
…110010011111010
31021011021112022210
4131031232103322
52000433334301
6120345155550
715101044224
oct3515562372
91234245283
10490136826
11231740063
1211818bbb6
137a7108ba
1449149414
152d06aad6
hex1d36e4fa

490136826 has 32 divisors (see below), whose sum is σ = 1047660480. Its totient is φ = 152327936.

The previous prime is 490136813. The next prime is 490136839. The reversal of 490136826 is 628631094.

It is an interprime number because it is at equal distance from previous prime (490136813) and next prime (490136839).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11541 + ... + 33368.

It is an arithmetic number, because the mean of its divisors is an integer number (32739390).

Almost surely, 2490136826 is an apocalyptic number.

490136826 is an abundant number, since it is smaller than the sum of its proper divisors (557523654).

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

490136826 is a wasteful number, since it uses less digits than its factorization.

490136826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45038.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 490136826 is about 22139.0339897657. The cubic root of 490136826 is about 788.4468904302.

The spelling of 490136826 in words is "four hundred ninety million, one hundred thirty-six thousand, eight hundred twenty-six".

Divisors: 1 2 3 6 17 34 51 102 107 214 321 642 1819 3638 5457 10914 44909 89818 134727 269454 763453 1526906 2290359 4580718 4805263 9610526 14415789 28831578 81689471 163378942 245068413 490136826