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151420401 = 3311509833
BaseRepresentation
bin10010000011001…
…11110111110001
3101112220221202000
421001213313301
5302230423101
623005244213
73516023616
oct1101476761
9345827660
10151420401
1178522430
1242863669
13254a8592
141617850d
15d460486
hex9067df1

151420401 has 16 divisors (see below), whose sum is σ = 244720320. Its totient is φ = 91769760.

The previous prime is 151420393. The next prime is 151420429. The reversal of 151420401 is 104024151.

It is not a de Polignac number, because 151420401 - 23 = 151420393 is a prime.

It is not an unprimeable number, because it can be changed into a prime (151420001) 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, 254620 + ... + 255213.

It is an arithmetic number, because the mean of its divisors is an integer number (15295020).

Almost surely, 2151420401 is an apocalyptic number.

151420401 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

It is an amenable number.

151420401 is a deficient number, since it is larger than the sum of its proper divisors (93299919).

151420401 is a wasteful number, since it uses less digits than its factorization.

151420401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 509853 (or 509847 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 18.

The square root of 151420401 is about 12305.2997119127. The cubic root of 151420401 is about 533.0011310985.

Adding to 151420401 its reverse (104024151), we get a palindrome (255444552).

The spelling of 151420401 in words is "one hundred fifty-one million, four hundred twenty thousand, four hundred one".

Divisors: 1 3 9 11 27 33 99 297 509833 1529499 4588497 5608163 13765491 16824489 50473467 151420401