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54429420 = 22357911483
BaseRepresentation
bin1100111110100…
…0011011101100
310210102022010110
43033220123230
5102413220140
65222340020
71230433233
oct317503354
9123368113
1054429420
11287a66a1
121628a610
13b379576
14732bb1a
154ba2380
hex33e86ec

54429420 has 48 divisors (see below), whose sum is σ = 154344960. Its totient is φ = 14329536.

The previous prime is 54429413. The next prime is 54429437. The reversal of 54429420 is 2492445.

It is a Harshad number since it is a multiple of its sum of digits (30).

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, 1002 + ... + 10481.

It is an arithmetic number, because the mean of its divisors is an integer number (3215520).

Almost surely, 254429420 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 54429420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (77172480).

54429420 is an abundant number, since it is smaller than the sum of its proper divisors (99915540).

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

54429420 is a wasteful number, since it uses less digits than its factorization.

54429420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11574 (or 11572 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 54429420 is about 7377.6297006559. The cubic root of 54429420 is about 378.9755880341.

The spelling of 54429420 in words is "fifty-four million, four hundred twenty-nine thousand, four hundred twenty".

Divisors: 1 2 3 4 5 6 10 12 15 20 30 60 79 158 237 316 395 474 790 948 1185 1580 2370 4740 11483 22966 34449 45932 57415 68898 114830 137796 172245 229660 344490 688980 907157 1814314 2721471 3628628 4535785 5442942 9071570 10885884 13607355 18143140 27214710 54429420