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80491062 = 23137181541
BaseRepresentation
bin1001100110000…
…11001000110110
312121110100222110
410303003020312
5131101203222
611553111450
71665106551
oct463031066
9177410873
1080491062
1141487143
1222b58586
13138a2a62
14a993698
1570ee30c
hex4cc3236

80491062 has 32 divisors (see below), whose sum is σ = 163354464. Its totient is φ = 26438400.

The previous prime is 80491057. The next prime is 80491063. The reversal of 80491062 is 26019408.

It is a super-2 number, since 2×804910622 = 12957622123775688, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (80491063) 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, 148512 + ... + 149052.

It is an arithmetic number, because the mean of its divisors is an integer number (5104827).

Almost surely, 280491062 is an apocalyptic number.

80491062 is an abundant number, since it is smaller than the sum of its proper divisors (82863402).

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

80491062 is a wasteful number, since it uses less digits than its factorization.

80491062 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 864.

The product of its (nonzero) digits is 3456, while the sum is 30.

The square root of 80491062 is about 8971.6811133700. The cubic root of 80491062 is about 431.7667744017.

The spelling of 80491062 in words is "eighty million, four hundred ninety-one thousand, sixty-two".

Divisors: 1 2 3 6 137 181 274 362 411 541 543 822 1082 1086 1623 3246 24797 49594 74117 74391 97921 148234 148782 195842 222351 293763 444702 587526 13415177 26830354 40245531 80491062