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97941420 = 223351747227
BaseRepresentation
bin1011101011001…
…11011110101100
320211021221101000
411311213132230
5200033111140
613415120300
72266326333
oct565473654
9224257330
1097941420
1150315925
1228973090
13173a2805
14d016d1a
1588e9a30
hex5d677ac

97941420 has 192 divisors, whose sum is σ = 330946560. Its totient is φ = 23952384.

The previous prime is 97941413. The next prime is 97941427. The reversal of 97941420 is 2414979.

It is an interprime number because it is at equal distance from previous prime (97941413) and next prime (97941427).

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (97941427) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 431347 + ... + 431573.

It is an arithmetic number, because the mean of its divisors is an integer number (1723680).

Almost surely, 297941420 is an apocalyptic number.

97941420 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 97941420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (165473280).

97941420 is an abundant number, since it is smaller than the sum of its proper divisors (233005140).

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

97941420 is a wasteful number, since it uses less digits than its factorization.

97941420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309 (or 301 counting only the distinct ones).

The product of its (nonzero) digits is 18144, while the sum is 36.

The square root of 97941420 is about 9896.5357575265. The cubic root of 97941420 is about 460.9517471686.

The spelling of 97941420 in words is "ninety-seven million, nine hundred forty-one thousand, four hundred twenty".