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149422300 = 22528091847
BaseRepresentation
bin10001110100000…
…00000011011100
3101102011102212021
420322000003130
5301223003200
622454345524
73463032346
oct1072000334
9342142767
10149422300
1177388205
124205b2a4
1324c58c81
1415bb8296
15d1b841a
hex8e800dc

149422300 has 36 divisors (see below), whose sum is σ = 324822960. Its totient is φ = 59662720.

The previous prime is 149422277. The next prime is 149422303. The reversal of 149422300 is 3224941.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (149422303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 79977 + ... + 81823.

It is an arithmetic number, because the mean of its divisors is an integer number (9022860).

Almost surely, 2149422300 is an apocalyptic number.

149422300 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

149422300 is an abundant number, since it is smaller than the sum of its proper divisors (175400660).

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

149422300 is a wasteful number, since it uses less digits than its factorization.

149422300 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2670 (or 2663 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 25.

The square root of 149422300 is about 12223.8414583960. The cubic root of 149422300 is about 530.6462983086.

The spelling of 149422300 in words is "one hundred forty-nine million, four hundred twenty-two thousand, three hundred".

Divisors: 1 2 4 5 10 20 25 50 100 809 1618 1847 3236 3694 4045 7388 8090 9235 16180 18470 20225 36940 40450 46175 80900 92350 184700 1494223 2988446 5976892 7471115 14942230 29884460 37355575 74711150 149422300